Home / 3,926.99-5,887.20-2,691.38

Finding the Fourth Proportional to 3,926.99, 5,887.20 and 2,691.38

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Solution

The fourth proportional to 3,926.99, 5,887.20 and 2,691.38 is: 4,034.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.99 : 5,887.20 = 2,691.38 : x
  2. Step 2: Convert to fraction form
    3,926.99/5,887.20 = 2,691.38/x
  3. Step 3: Cross multiply
    3,926.99x = 5,887.20 × 2,691.38
  4. Step 4: Simplify right side
    3,926.99x = 15,844,692.34
  5. Step 5: Solve for x
    x = 15,844,692.34/3,926.99
  6. Step 6: Final answer
    x = 4,034.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.